BORED? Play our free word games – INTERACTIVE HANGMAN
Answers to Puzzles 1 to 4
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1: For instance |
2: Too funny for words |
3: Back to square one |
4: Once in a blue moon |
Now try puzzles 5 to 8..
Puzzle #5: | Puzzle #6: |
Puzzle #7: | Puzzle #8: |
The answers to these four puzzles are on the next puzzle page.
Click here for the answers.
Several of the rebus puzzles on www.fun-with-words.com are used with the kind permission of Terry Stickels whose Frame Games© appear weekly in USA WEEKEND magazine as well as several published books. |
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The z-score
The Standard Normal Distribution
Definition of the Standard Normal Distribution The Standard Normaldistribution follows a normal distribution and has mean 0 and standard deviation 1 |
Notice that the distribution is perfectly symmetric about 0.
If a distribution is normal but not standard, we can convert a value to the Standard normal distribution table by first by finding how many standard deviations away the number is from the mean.
The z-score
The number of standard deviations from the mean is called the z-score and can be found by the formula
Recorda 1 2 123
x - m
z =
s
Example
![Recordam 1 2 1 Recordam 1 2 1](https://i.imgur.com/8BL08qL.png)
Find the z-score corresponding to a raw score of 132 from a normal distribution with mean 100 and standard deviation 15.